74HC125D/AUJ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-speed, low power consumption, wide operating voltage range
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Quad buffer with 3-state outputs
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 80 MHz
• Number of Buffers: 4
• Output Current: ±8mA
• Propagation Delay: 9 ns (typical)

Detailed Pin Configuration

The 74HC125D/AUJ has a total of 14 pins. The pin configuration is as follows:

1. 1OE - Output Enable Input for Buffer 1
2. 1A - Data Input for Buffer 1
3. 1Y - Buffered Output for Buffer 1
4. GND - Ground
5. 2Y - Buffered Output for Buffer 2
6. 2A - Data Input for Buffer 2
7. 2OE - Output Enable Input for Buffer 2
8. VCC - Positive Power Supply
9. 3OE - Output Enable Input for Buffer 3
10. 3A - Data Input for Buffer 3
11. 3Y - Buffered Output for Buffer 3
12. NC - No Connection
13. 4Y - Buffered Output for Buffer 4
14. 4A - Data Input for Buffer 4

Functional Features

• Quad buffer with 3-state outputs
• Non-inverting buffer
• High-speed operation
• Low power consumption
• Wide operating voltage range
• Output capability: ±8mA

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low power consumption helps in reducing energy usage - Wide operating voltage range provides flexibility in different applications - 3-state outputs allow for easy interfacing with other devices

Disadvantages: - Limited output current may not be suitable for high-power applications - Propagation delay of 9 ns may cause timing issues in certain scenarios

Working Principles

The 74HC125D/AUJ is a quad buffer with 3-state outputs. It acts as a non-inverting buffer, meaning the output follows the input signal. The device operates at high speed and consumes low power. It can handle a wide range of supply voltages, making it suitable for various applications.

The output enable (OE) inputs control the state of the outputs. When OE is high, the outputs are in the high-impedance state (disconnected). When OE is low, the outputs reflect the input data.

Detailed Application Field Plans

The 74HC125D/AUJ is commonly used in the following application fields:

1. Digital systems: It can be used to buffer and drive signals between different digital components, ensuring proper signal integrity.
2. Communication systems: It can be employed in communication circuits to amplify and transmit signals without distortion.
3. Industrial automation: It finds applications in control systems, where it helps in buffering and driving signals between sensors, actuators, and controllers.
4. Automotive electronics: It can be utilized in automotive systems for signal buffering and level shifting between different modules.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74HC125D/AUJ include:

1. SN74LVC125A: Quad Buffer/Line Driver with 3-state outputs
2. MC74VHC125: Quad Buffer with 3-state outputs, high-speed operation
3. CD74HCT125E: Quad Buffer/Line Driver with 3-state outputs, wide operating voltage range

These alternative models can be considered based on specific requirements and availability.

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